CN214945757U

CN214945757U - Long-life novel thrust self-aligning roller bearing

Info

Publication number: CN214945757U
Application number: CN202023253066.1U
Authority: CN
Inventors: 姜繁; 卫广国; 吴长发; 秦淑红; 白迎新; 郭洪春; 徐敦卿
Original assignee: Wafangdian Yuandong Bearing Co Ltd
Current assignee: Wafangdian Yuandong Bearing Co Ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-11-30
Anticipated expiration: 2030-12-29

Abstract

The utility model discloses a novel thrust self-aligning roller bearing with long service life, which belongs to the technical field of bearings and comprises a seat ring, an axle ring and a retainer, wherein the retainer with the same axle center is installed at the top of the seat ring, the top of the retainer is in an annular shape and is provided with a plurality of first mounting grooves and second mounting grooves, the first mounting grooves are used for installing first rollers, the second mounting grooves are used for installing second rollers, a plurality of sliding balls are installed on the upper end surface of the retainer, the sliding balls are distributed in an annular shape by taking the middle point of the retainer as the circle center, the axle ring is positioned at the top of the retainer, and the bottom surface of the axle ring is provided with a second slide way corresponding to the first rollers and the second rollers; through having set up two sets of annular distribution and the roller of slope, multiplicable load value has the function of aligning simultaneously, and has increased shower nozzle group, and shower nozzle group can provide the support to the thermoscope when the bearing rotates, can further increase the load value of bearing.

Description

Long-life novel thrust self-aligning roller bearing

Technical Field

The utility model belongs to the technical field of the bearing, the novel thrust self-aligning roller bearing of concretely relates to long-life.

Background

Application number CN201720760219.0 discloses a novel long-life self-aligning thrust roller bearing, which comprises a race and a shaft ring, wherein a row of Z rollers is arranged between the race and the shaft ring and supported by a retainer, and a bush is arranged at the inner diameter below the shaft ring. In order to solve the problems of large impact load, high rotating speed, short service life of the bearing, long roller changing consumption time and the like of the existing bearing, the original 'rolling bearing limit design method' of a company is adopted, the values of the external dimension and the structural elements of a model bearing are provided, and the designed roller has the largest diameter, the longest length, the highest rated dynamic load value of the bearing and the longest calculated service life of the bearing under the condition of meeting the requirements of design strength and process machining. The requirements of users on the long service life of the bearing and the reduction of the use cost are met. Belongs to a large bearing. The bearing is used as a special bearing for a 6-roller mill intermediate roll or a working roll on a rolling mill in the steel and nonferrous metallurgy industries.

According to the self-aligning thrust roller bearing, the load value of the bearing is improved in a mode that the specification of the roller is relatively increased, but the load value improved in the mode is limited, and therefore a novel self-aligning thrust roller bearing with a long service life is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel thrust self-aligning roller bearing of long-life to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: novel thrust self-aligning roller bearing of long-life, including seat circle, shaft ring and holder, the holder with the axle center is installed at the top of seat circle, the top of holder is the annular and has seted up a plurality of first mounting grooves and second mounting groove, first mounting groove is used for installing first roller, the second mounting groove is used for installing the second roller, a plurality of sliding balls are installed to the up end of holder, and is a plurality of the sliding ball uses the mid point of holder to be the annular distribution as the centre of a circle, the shaft ring is located the top of holder, the second slide that corresponds with first roller and second roller is seted up to the bottom surface of shaft ring, just the first slide that corresponds with the sliding ball is seted up to the bottom surface of shaft ring.

Furthermore, an included angle between the axis of the first roller and the axis of the second roller and the horizontal line is 15-30 degrees.

Furthermore, a plurality of spherical grooves for installing sliding balls are formed in the upper end face of the retainer.

Further, the extension lines of the axes of the first roller and the second roller form a triangle with the horizontal line.

Furthermore, the number of the spherical grooves is twelve, and the spherical grooves are distributed on the upper end surface of the retainer in an annular and equidistant manner.

Compared with the prior art, the beneficial effects of the utility model reside in that:

through having set up two sets of annular distribution and the roller of slope, multiplicable load value has the function of aligning simultaneously, and has increased shower nozzle group, and shower nozzle group can provide the support to the thermoscope when the bearing rotates, can further increase the load value of bearing.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the retainer of the present invention;

FIG. 3 is a schematic view of the bottom structure of the shaft collar of the present invention;

in the figure: 1. a seat ring; 2. a shaft ring; 3. a holder; 4. a sliding ball; 5. a first roller; 6. a second mounting groove; 7. a first mounting groove; 8. a spherical groove; 9. a first slideway; 10. a second slideway; 11. a second roller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, the utility model provides a technical scheme: the novel thrust self-aligning roller bearing with long service life comprises a race 1, a shaft ring 2 and a retainer 3, wherein the retainer 3 with the same shaft center is installed at the top of the race 1, the top of the retainer 3 is annular and is provided with a plurality of first installation grooves 7 and second installation grooves 6, the first installation grooves 7 are used for installing first rollers 5, the second installation grooves 6 are used for installing second rollers 11, the upper end surface of the retainer 3 is provided with a plurality of sliding balls 4, the upper end surface of the retainer 3 is provided with a plurality of spherical grooves 8 for installing the sliding balls 4, the sliding balls 4 are annularly distributed by taking the middle point of the retainer 3 as the center of a circle, the shaft ring 2 is positioned at the top of the retainer 3, the bottom surface of the shaft ring 2 is provided with second slide ways 10 corresponding to the first rollers 5 and the second rollers 11, and the bottom surface of the shaft ring 2 is provided with first slide ways 9 corresponding to the sliding balls 4, through having set up two sets of annular distribution and the roller of slope, multiplicable load value has the function of aligning simultaneously, and has increased shower nozzle group 4, and shower nozzle group 4 can provide the support to thermoscope 2 when the bearing rotates, can further increase the load value of bearing.

In the embodiment, an included angle between the axes of the first roller 5 and the second roller 11 and a horizontal line is 15-30 degrees.

In this embodiment, the extension lines of the axes of the first roller 5 and the second roller 11 form a triangle with the horizontal line.

In this embodiment, the number of the spherical grooves 8 is twelve, and the upper end surfaces of the holders 3 are distributed in an annular and equidistant manner.

The utility model discloses a theory of operation and use flow: when the bearing rotates, two sets of rollers can all support the shaft ring 2, and the inclined plane of the second slide way 10 on the bottom surface of the shaft ring 2 corresponds to the rollers, the shaft ring 2 can be limited when rotating, the off tracking is prevented, through the rollers which are arranged in two sets of annular distribution and inclined, the load value can be increased, the function of aligning is realized simultaneously, the sliding ball 4 of the nozzle group is increased, the sliding ball 4 of the nozzle group can support the temperature measuring instrument shaft ring 2 when the bearing rotates, the load value of the bearing can be further increased, and the bottom surface of the shaft ring 2 is provided with the first slide way 9 corresponding to the sliding ball 4, the sliding ball 4 rolls in the first slide way 9, and the limiting effect is realized.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Novel thrust self-aligning roller bearing with long service life, including seat circle (1), shaft collar (2) and holder (3), its characterized in that, with the holder (3) of axle center is installed at the top of seat circle (1), the top of holder (3) is the annular and has seted up a plurality of first mounting grooves (7) and second mounting groove (6), first mounting groove (7) are used for installing first roller (5), second mounting groove (6) are used for installing second roller (11), a plurality of sliding balls (4) are installed to the up end of holder (3), and a plurality of sliding balls (4) use the mid point of holder (3) to be the annular distribution as the centre of a circle, shaft collar (2) are located the top of holder (3), the second slide (10) that correspond with first roller (5) and second roller (11) are seted up to the bottom surface of shaft collar (2), and the bottom surface of the shaft ring (2) is provided with a first slideway (9) corresponding to the sliding ball (4).

2. The long-life novel self-aligning thrust roller bearing of claim 1, characterized in that: and an included angle between the axes of the first roller (5) and the second roller (11) and the horizontal line is 15-30 degrees.

3. The long-life novel self-aligning thrust roller bearing of claim 1, characterized in that: the upper end face of the retainer (3) is provided with a plurality of ball grooves (8) for mounting the sliding balls (4).

4. The long-life novel self-aligning thrust roller bearing of claim 1, characterized in that: the extension lines of the axes of the first roller (5) and the second roller (11) and a horizontal line form a triangle.

5. The long-life novel self-aligning thrust roller bearing of claim 3, characterized in that: the number of the spherical grooves (8) is twelve, and the upper end surfaces of the holders (3) are distributed in an annular and equidistant mode.